a. The colors of mouthpiece, surface, sides, indicator light and logo can be made in all colors you wanted.
b. The lighting and oil window can be customized into different shape for free.
c. The tank capacity can be customized like 0.8ml, 1.2mm and so on.
d. Logo can be printed on front, back, sides and wherever you want. There is still available space for printing flavors.
In a word, there is endless possibilities to make a special version for your brand, just feel free to hit me up to discuss a perfect solution to make a unique design on it.